Home / 4,270.21-6,404.50-1,347.73

Finding the Fourth Proportional to 4,270.21, 6,404.50 and 1,347.73

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Solution

The fourth proportional to 4,270.21, 6,404.50 and 1,347.73 is: 2,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.21 : 6,404.50 = 1,347.73 : x
  2. Step 2: Convert to fraction form
    4,270.21/6,404.50 = 1,347.73/x
  3. Step 3: Cross multiply
    4,270.21x = 6,404.50 × 1,347.73
  4. Step 4: Simplify right side
    4,270.21x = 8,631,536.79
  5. Step 5: Solve for x
    x = 8,631,536.79/4,270.21
  6. Step 6: Final answer
    x = 2,021.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.